172 search results - page 22 / 35 » trec 2007 |
NAACL
2003
13 years 11 months ago
2003
In this paper we investigate the use of surface text patterns for a Maximum Entropy based Question Answering (QA) system. These text patterns are collected automatically in an uns...
EMNLP
2007
13 years 11 months ago
2007
Shallow semantic parsing, the automatic identification and labeling of sentential constituents, has recently received much attention. Our work examines whether semantic role info...
ACL
2006
13 years 11 months ago
2006
We show that we can automatically classify semantically related phrases into 10 classes. Classification robustness is improved by training with multiple sources of evidence, inclu...
ACL
2006
13 years 11 months ago
2006
This paper describes an algorithm for propagating verb arguments along lexical chains consisting of WordNet relations. The algorithm creates verb argument structures using VerbNet...
NAACL
2004
13 years 11 months ago
2004
The paper presents two approaches to interactively refining user search formulations and their evaluation in the new High Accuracy Retrieval from Documents (HARD) track of TREC-12...